In the present paper, the authors review recent situations of disorders of the digestive system and its related research progresses. In clinical practice, Neiguan (PC 6) is usually selected as one of the main intra-gastric examination, cesarean section, etc. Concerning experimental indicated that Neiguan (PC 6) is an important and effective acupoint for treatment of gastrointestinal disorders in clinic. Stimulation of Neiguan (PC 6) induced favorable regulation of both the peripheral nervous system and central nervous system, and changes of the gastrointestinal hormone secretion may contribute to its effects in treating various disorders.